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This Table contains results of our analysis of an "interior" accuracy of CCD positional Numbered Minor Planets observations carried out in indication month of current year. The observatories taken into consideration are given with their MPC codes and instrumental equipment. A number of considered Numbered Minor Planets and their processed positions is given together with a mean error of a single observation for RA and DEC. Only one night observations were used for getting these errors.

A visitor may click required MPC code number (blue color) and see the first 100 Kb information as to detailed test of CCD positions made with this MPC code and sent to the MPC Database. These information tables show the (O-C) values for each observation.

If you find any inaccurate recording, please, send us a letter for correction.

Internal errors January, 2010
--------------------------------------------------------------------------------- MPC Country, Diam., Scale, Number Number Mean errors of code Observa- Focus FOV Cata- of minor of single observation tory (m) log planets positions RA DE --------------------------------------------------------------------------------- " " 104 Italy, San 0.40 21 x 21' 2.5" 48 153 0.373 0.287 Marccello 2.0 GSC 106 Slovenia, 0.36 36 x 36' 2.0" 665 2896 0.309 0.302 Crni vrh 2.4 USNO 114 Zelenchukskaya 0.3 No data 77 428 0.349 0.286 Station,Russia 2.4 UCAC 118 Slovakia, 0.57 14 x 10' 1.7" 12 54 0.324 0.204 Modra 3.3 USNO 127 Germany, 0.19 30 x 20' 2.4" 3 11 0.122 0.114 Bornheim 0.8 GSC 143 Switzerland, 0.40 20 x 20' 2.4" 1 3 0.061 0.057 Gnosca 1.64 GSC 151 Switzerland, 0.25 24 x 16' 0.9" 1 3 0.625 0.441 Eschenberg 2.0 USNO 152 Lithuania 0.35 70 x 70' 4.1" 25 79 0.460 0.626 Moletai AO 1.2 GSC 157 Italy, 0.20 18 x 12' 1.4" 5 15 0.580 0.368 Frasso Sabino 1.3 USNO 160 Italy, Castel- 0.25 14 x 9' 2.2" 44 270 0.301 0.311 martini 1.7 GSC 185 Switzerland, 0.61 23 x 15' 0.9" 24 97 0.387 0.277 jur.-Vicques 2.1 USNO 203 Italy, 0.13 28 x 19' 2.2" 2 6 0.166 0.217 GiaGa Obs. 0.8 USNO 204 Italy, Schia- 0.60 12 x 12' 1.4" 5 15 0.079 0.149 parelli Obs. 2.8 USNO 212 Obs. La Dehesi- 0.26 No data 4 12 0.604 0.116 lla, Spain 2.6 GSC 233 Italy, Sauro 0.25 15 x 10' 2.3" 1 3 0.067 0.047 Donati Ast.Obs. 1.6 USNO 240 Germany, Her- 0.40 15 x 10' 2.4" 8 27 0.543 0.435 renberg Sternw. 1.6 USNO 291 USA,Kitt Peak, 1.8 390 x 30' 1.0" 1006 3705 0.209 0.177 Spacewatch II 4.7 USNO 300 Japan, 0.5 78 x 78' 2.3" 3 24 0.929 0.995 Bisei Center 1.3 ACT 379 Japan, Hama 0.25 17 x 13' 2.1" 4 31 0.243 0.192 -matsu-Yuto 1.25 ACT 442 Spain, 0.36 No data 1 3 1.504 0.778 Gualda Observ. f/6 USNO 448 USA, Desert 0.30 21 x 21' 2.4" 29 114 0.426 0.299 Moon Observat. 2.0 USNO 461 Hungary, JATE 0.60 28 x 19' 1.1" 2 8 0.097 0.134 Asteroid Surv. 1.8 USNO 540 Austria, 0.60 20 x 15' 3.5" 2 6 0.716 0.477 Linz 1.5 GSC 557 Czech Rep., 0.65 20 x 13' 1.6" 5 60 0.187 0.126 Ondrejov 2.3 USNO 561 Hungary, 0.60 28 x 19' 1.1" 14 93 0.445 0.824 Piszkesteto 1.8 USNO 568 USA, 2.24 18 x 18' 0.4" 3 9 0.033 0.038 Mauna Kea 22.0 USNO 585 Kiev comet sta- 0.70 No data 2 18 0.216 0.451 tion, Ukraine 2.8 USNO 587 Italy, 0.50 28 x 28' 1.7" 6 18 0.248 0.268 Sormano 3.0 GSC 683 USA, Good- 0.36 20 x 20' 2.5" 259 996 0.765 1.096 ricke-Pigott 4.0 GSC 691 USA, 0.88 390 x 30' 1.1" 10619 50544 0.292 0.256 Spacewatch 4.6 USNO 703 USA, Catalina 0.41 175 x 175' 2.6" 13587 71855 0.573 0.532 Sky Survey 1.2 USNO 704 USA, 1.0 94 x 72' 2.2" 25376 172687 0.528 0.535 Lincoln Lab. 2.2 USNO 735 USA, 0.46 No data 11 40 0.281 0.266 George Obs. USNO 834 Argentina, 0.25 No data 2 6 0.137 0.091 AAAA 1.6 USNO 844 Uruguay, 0.35 28 x 28' 3.3" 4 19 0.210 0.363 Los Molinos 2.2 GSC 850 USA, Cordell- 0.30 No data 2 6 0.237 0.421 Lorenz Obs. 1.7 GSC 926 USA, Tenagra 0.50 No data 14 49 0.289 0.182 II Observat. 5.0 GSC 941 Spain, Obs. 0.26 21 x 21' 2.4" 1 4 0.070 0.147 Pla D'Arguin. 1.7 GSC 951 England, 0.25 15 x 15' 2.0" 1 3 0.511 0.300 Highworth 1.6 ACT A06 Mataro, 0.25 No data 1 3 0.581 0.303 Spain 1.6 UCAC A13 Obs. Naef, 0.3 39 x 26' 1.6 3 9 0.224 0.070 Switzerland 1.2 UCAC A24 New Millennium 0.36 12 x 12' 1.4 24 140 0.312 0.244 Obs., Italy 3.9 GSC A29 Santa Maria 0.40 11 x 8' 1.8 2 8 0.449 0.365 a Monte, Italy 2.0 USNO A77 Obs. Chante- 0.20 27 x 20' 2.1 85 255 0.553 0.498 Perdrix,France 1.86 USNO A78 Stia, Italy 0.28 40 x 27' 1.1 1 4 0.199 0.182 2.8 UCAC A81 Balzaretto 0.20 25 x 19' 2.6 2 6 0.118 0.225 Obs., Italy 0.7 USNO B01 Taunus Obs., 0.6 62 x 42' 1.9 26 146 0.345 0.469 Germany 2.0 USNO B03 Alter Satz- 0.35 30 x 20' 1.8 1 6 0.270 0.267 berg, Austria 2.6 USNO B42 Vitebsk, 0.3 11 x 8' 0.89 1 3 0.238 0.106 Belarus 1.5 USNO B67 Stern. Mirast., 0.90 No data 6 18 0.135 0.135 Switzerland. 6.0 USNO B82 Maidbronn 0.30 No data 1 3 0.440 1.781 B92 3 51 0.132 0.045 C00 22 67 0.363 0.468 C10 1 4 0.148 0.090 C13 4 36 0.224 0.134 C14 4 12 0.742 0.376 C15 1 3 0.087 0.347 C51 9126 129004 0.515 0.616 D29 Purple Mount., 1.04 120 x 120' 1.7 1883 8601 0.363 0.358 China 1.8 UCAC D39 Shandong 1.0 12 x 12' 0.4 9 27 0.259 0.247 Univ., China 8.0 UCAC D95 1 7 0.114 0.025 D96 41 151 0.417 0.265 E12 Siding Spring 0.5 No data 1251 4918 0.396 0.367 Surv.,Australia UCAC E16 Grove Creek, 0.30 27 x 18' 1.1 1 5 0.042 0.101 Australia 3.0 GSC F65 Haleakala- 2.0 5 x 5' 0.2 6 25 0.047 0.031 Faulkes, Wales 20.0 USNO F84 Hibiscus Obs., 0.36 No data 1 3 0.050 0.026 Fr. Polynesia 1.0 UCAC F85 Tiki Obs., 0.41 No data 6 18 0.324 0.276 Fr. Polynesia 3.3 G56 Walnut Creek, 0.28 No data 2 6 0.220 0.204 USA 1.5 USNO G89 Kachina Obs., 0.36 21 x 21' 1.2 2 6 0.044 0.050 Flagstaff,USA 4.0 UCAC G92 Jarnac Obser. 0.35 No data 79 238 0.546 0.439 U.S.A. f/2 USNO G96 Mt. Lemmon 1.5 66 x 66' 1.0 14583 68295 0.278 0.218 Survey, U.S.A. f/2 UCAC G98 Calvin-Rehob. 0.41 22 x 14' 0.6 4 24 0.602 0.292 Obs., U.S.A. 3.4 USNO H06 New Mexico Ski- 0.25 56 x 37' 2.2 2 9 0.303 0.305 es Obs., Germ. 0.8 UCAC H10 Tzec Maun Obs., var. No data 144 669 0.440 0.394 U.S.A. USNO H12 LightBuckets 0.61 20 x 20' 0.6 5 18 0.991 0.452 Obs., USA 4.0 USNO H21 3 9 0.306 0.328 H23 Pear Tree, 0.25 No data 10 30 0.356 0.461 USA 1.4 USNO H26 Doc Greiner 0.40 No data 17 61 0.408 0.473 Res.Obs., USA 3.2 UCAC H45 Petit Jean 0.41 No data 1 5 0.239 0.238 Mount., USA 1.4 UCAC H47 Vicksburg, 0.3 No data 6 19 0.532 0.554 U.S.A. USNO H53 Thompsonville, 0.31 No data 7 151 0.741 0.410 U.S.A. 0.9 UCAC H85 Silver Spring, 0.45 No data 1 3 0.157 0.425 USA 3.3 UCAC I13 Washington 0.25 17 x 17' 2 32 97 0.373 0.282 DC, U.S.A. 5.0 UCAC I15 6 18 0.168 0.142 I16 1 3 0.064 0.078 I17 6 18 0.155 0.170 I20 Rio Cuarto, 0.15 22 x 17' 2.1 10 35 0.279 0.138 Argentina 0.8 UCAC I24 1 3 0.107 0.170 I66 2 8 0.058 0.042 I98 3 26 0.412 0.255 J07 Obs. SPAG Monf- 0.25 No data 2 6 0.056 0.119 rague, Spain 1.0 CMC J21 El Boalo, 0.35 10 x 10' 1.2 1 4 0.277 0.066 Spain 3.6 UCAC J24 Obs. Altamira 0.4 31 x 25' 1.4 1 3 0.214 0.152 Spain 4.0 USNO J26 The Spaceguard 0.36 14 x 10' 1.1 18 67 0.500 0.583 Centre, Wales 2.3 USNO J37 Huelva, 0.15 60 x 47' 1.6 3 9 0.301 0.388 Spain 0.8 UCAC J38 La Vara, 0.26 17 x 17' 2 2 6 0.132 0.098 Spain 2.0 USNO J40 Malaga, 0.20 17 x 12' 1.5 3 9 0.221 0.297 Spain 1.0 USNO J47 Obs. Nazaret, 0.20 No data 5 16 0.635 0.333 Spain 1.3 UCAC J51 Obs. Atlante, 0.2 42 x 28' 1.5 4 15 0.228 0.121 Tenerife,Spain 1.8 USNO J75 OAM Obs., La 0.35 No data 2309 7439 0.396 0.370 Sagra, Spain f/6 UCAC J76 La Murta, 0.40 14 x 14' 1.6 2 6 0.407 0.464 Spain 2.6 USNO J93 Mount Tuffley 0.25 21 x 16' 1.7 2 6 0.267 0.235 Obs., England 1.4 USNO J95 Great Shefford, 0.30 25 x 25' 1.5 8 24 0.296 0.292 England 1.9 USNO

This Table contains results of our analysis of an "exterior" accuracy of CCD positional Numbered Minor Planets observations carried out in indication month of current year. The observatories taken into consideration are given with their MPC codes and instrumental equipment. A number of considered Numbered Minor Planets and their processed positions is given together with a mean error of a single observation for RA and DEC. Several close night observations were used for getting these errors. A visitor may click required MPC code number (blue color) and see the first 100 Kb information as to detailed test of CCD positions made with this MPC code and sent to the MPC Database. These information tables show the (O-C) values for each observation.

If you find any inaccurate recording, please, send us a letter for correction.

External errors January, 2010
--------------------------------------------------------------------------------- MPC Country, Diam., Scale, Number Number Mean errors of code Observa- Focus FOV Cata- of minor of single observation tory (m) log planets positions RA DE --------------------------------------------------------------------------------- " " 104 Italy, San 0.40 21 x 21' 2.5" 4 23 0.521 0.301 Marccello 2.0 GSC 106 Slovenia, 0.36 36 x 36' 2.0" 35 304 0.295 0.271 Crni vrh 2.4 USNO 114 Zelenchukskaya 0.3 No data 14 133 0.318 0.343 Station,Russia 2.4 UCAC 160 Italy, Castel- 0.25 14 x 9' 2.2" 20 197 0.289 0.365 martini 1.7 GSC 291 USA,Kitt Peak, 1.8 390 x 30' 1.0" 131 993 0.220 0.195 Spacewatch II 4.7 USNO 300 Japan, 0.5 78 x 78' 2.3" 1 14 1.051 1.025 Bisei Center 1.3 ACT 379 Japan, Hama 0.25 17 x 13' 2.1" 1 15 0.266 0.183 -matsu-Yuto 1.25 ACT 442 Spain, 0.36 No data 1 6 1.259 0.651 Gualda Observ. f/6 USNO 448 USA, Desert 0.30 21 x 21' 2.4" 4 37 0.447 0.195 Moon Observat. 2.0 USNO 557 Czech Rep., 0.65 20 x 13' 1.6" 2 24 0.116 0.060 Ondrejov 2.3 USNO 561 Hungary, 0.60 28 x 19' 1.1" 3 24 0.434 1.195 Piszkesteto 1.8 USNO 683 USA, Good- 0.36 20 x 20' 2.5" 79 507 0.821 1.143 ricke-Pigott 4.0 GSC 691 USA, 0.88 390 x 30' 1.1" 4533 32138 0.301 0.257 Spacewatch 4.6 USNO 703 USA, Catalina 0.41 175 x 175' 2.6" 3138 28427 0.561 0.532 Sky Survey 1.2 USNO 704 USA, 1.0 94 x 72' 2.2" 10625 109521 0.585 0.590 Lincoln Lab. 2.2 USNO 844 Uruguay, 0.35 28 x 28' 3.3" 1 9 0.304 0.944 Los Molinos 2.2 GSC 850 USA, Cordell- 0.30 No data 1 5 0.496 1.034 Lorenz Obs. 1.7 GSC 900 Japan, 0.25 No data 4 20 0.395 0.505 Moriyama 1.6 GSC 926 USA, Tenagra 0.50 No data 1 6 0.896 1.161 II Observat. 5.0 GSC A13 Obs. Naef, 0.3 39 x 26' 1.6 1 4 0.170 0.507 Switzerland 1.2 UCAC A77 Obs. Chante- 0.20 27 x 20' 2.1 52 253 0.453 0.444 Perdrix,France 1.86 USNO B01 Taunus Obs., 0.6 62 x 42' 1.9 6 49 0.306 0.431 Germany 2.0 USNO B92 1 23 0.232 0.065 C13 3 37 0.272 0.223 C51 7089 73961 0.506 0.610 D29 Purple Mount., 1.04 120 x 120' 1.7 144 1189 0.369 0.382 China 1.8 UCAC D95 1 7 0.120 0.055 D96 19 91 0.492 0.282 E12 Siding Spring 0.5 No data 39 287 0.359 0.336 Surv.,Australia UCAC F65 Haleakala- 2.0 5 x 5' 0.2 2 9 0.055 0.239 Faulkes, Wales 20.0 USNO G96 Mt. Lemmon 1.5 66 x 66' 1.0 925 9551 0.283 0.236 Survey, U.S.A. f/2 UCAC H06 New Mexico Ski- 0.25 56 x 37' 2.2 1 6 0.261 0.294 es Obs., Germ. 0.8 UCAC H10 Tzec Maun Obs., var. No data 26 217 0.364 0.373 U.S.A. USNO H12 LightBuckets 0.61 20 x 20' 0.6 2 13 1.393 0.518 Obs., USA 4.0 USNO H53 Thompsonville, 0.31 No data 5 139 0.748 0.483 U.S.A. 0.9 UCAC I13 Washington 0.25 17 x 17' 2 29 134 0.447 0.400 DC, U.S.A. 5.0 UCAC I16 1 5 0.118 0.291 I20 Rio Cuarto, 0.15 22 x 17' 2.1 1 6 0.141 0.131 Argentina 0.8 UCAC I24 2 9 0.190 0.194 I98 3 26 0.406 0.239 J26 The Spaceguard 0.36 14 x 10' 1.1 2 15 0.461 0.398 Centre, Wales 2.3 USNO J51 Obs. Atlante, 0.2 42 x 28' 1.5 1 6 0.217 0.124 Tenerife,Spain 1.8 USNO J75 OAM Obs., La 0.35 No data 46 293 0.391 0.352 Sagra, Spain f/6 UCAC